英文:
Bazel coverage needs jdk, why I cannot use jdk-home given by bazel info?
问题
如果我想运行 bazel coverage，我需要添加一个规则来指定一个 jdk 工具。Bazel覆盖率运行
但为什么我不能使用 bazel 使用的 jdk，并使用 bazel info java-home 给出其路径？
为什么要加载另一个 jdk，当这个是可用的呢....??
在 WORKSPACE 中添加
load("@bazel_tools//tools/jdk:local_java_repository.bzl", "local_java_repository")
local_java_repository(
name = "additionaljdk", # 可以与 --java_runtime_version=additionaljdk, --java_runtime_version=11 或 --java_runtime_version=additionaljdk_11 一起使用
version = "11", # 可选，如果未设置将自动检测
java_home = "/usr/lib/jvm/java-11-openjdk-amd64/", # 包含 bin/java 的目录路径
)
它将运行。有没有办法在前面的规则中设置一些内容，指向 $(bazel info java-home) ？
java_home=(locate $java-home)
谢谢
我想避免安装另一个 jdk，因为 bazel 本身已安装。
英文:
If I want to run bazel coverage I need to add a rule to specify a jdk tool.
https://bazel.build/configure/coverage#running_coverage
But why can't I give the jdk used by bazel and for which the path is given with bazel info java-home ?
why to load another jdk when this one is avalaible.... ??
Adding in WORKSPACE
load("@bazel_tools//tools/jdk:local_java_repository.bzl", "local_java_repository")
local_java_repository(
name = "additionaljdk", # Can be used with --java_runtime_version=additionaljdk, --java_runtime_version=11 or --java_runtime_version=additionaljdk_11
version = "11", # Optional, if not set it is autodetected
java_home = "/usr/lib/jvm/java-11-openjdk-amd64/", # Path to directory containing bin/java
)
it will run
is there a way to set in the previous rule something to point inside $(bazel info java-home) please ?
java_home=(locate $java-home)
thanks
I'd like to avoid installing another jdk as it is installed by bazel itself.
答案1
得分: 1
The bazel info java-home command prints the path to the Java installation used to run Bazel itself. This Java is conceptually completely distinct from a Java that may be used by the actions that Bazel runs in a build. Bazel ships with a stripped-down, minimal JRE for itself that is not suitable for usage by build actions.
If your concern about installing a JDK is simply the inconvenience, you can use --java_runtime_version=remotejdk_11 to have Bazel pull in a JDK for you.
英文:
The bazel info java-home command prints the path to the Java installation used to run Bazel itself. This Java is conceptually completely distinct from a Java that may be used by the actions that Bazel runs in a build. Bazel ships with a stripped-down, minimal JRE for itself that is not suitable for usage by build actions.
If your concern about installing a JDK is simply the inconvenience, you can use --java_runtime_version=remotejdk_11 to have Bazel pull in a JDK for you.
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